Hello. 
  
i have 64 Cameras In Hikvision System. 
5 Devices 2 NVrs and 3 Dvrs 
  
all connected to PCNVR for Viewing and all that  
  
after 3 connections am starting to get  : "no more users allowed" 
  
in each client trying to connect . 
  
anyone knows what can be the issue?how can it be fixed?